This is a common issue with the 159, and i'm guessing may have similar traits for the Brera.
if you do a search, you should fine some topics which may advise better than I can!
Is it a loud whine? Mine whines a little, thats after having my pump reconditioned. Prior to this, it was howling like a dog! I have the RED fluid too... and from speaking to various people, its not solely down to the colour of the fluid, so don't panic.
May be best to find a good local independent garage to have a check over .... sooner rather than later!